How would you define a galaxy? If your answer is “stars”, then just imagine a loud siren blaring and a red light flashing.

Add Yahoo as a preferred source to see more of our stories on Google. Spring is almost here, which means it's galaxy season for amateur astronomers! Grab your telescope and join us as we highlight ...

Astronomers have discovered what seems to be a new "jellyfish" galaxy about 12 billion light-years away from Earth using high-resolution imaging from the James Webb Space Telescope (JWST). The galaxy ...

Astronomers have identified 47 possible dwarf galaxies surrounding three much larger galaxies, revealing a hidden population of extremely faint objects. The discovery could help scientists test ...

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The burst's host galaxy is more than halfway across the observable universe and up to 100 times fainter than other host galaxies. Share on Facebook (opens in a new window) Share on X (opens in a new ...

Here’s what you’ll learn when you read this story: Black holes usually form from stars that burn out and collapse in on themselves, but that cannot explain the red spark of light that could be a ...

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